Home / 109,375,429.20-164,063,143.80-91,592,235.60

Finding the Fourth Proportional to 109,375,429.20, 164,063,143.80 and 91,592,235.60

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Solution

The fourth proportional to 109,375,429.20, 164,063,143.80 and 91,592,235.60 is: 137,388,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,375,429.20 : 164,063,143.80 = 91,592,235.60 : x
  2. Step 2: Convert to fraction form
    109,375,429.20/164,063,143.80 = 91,592,235.60/x
  3. Step 3: Cross multiply
    109,375,429.20x = 164,063,143.80 × 91,592,235.60
  4. Step 4: Simplify right side
    109,375,429.20x = 15,026,910,120,206,280
  5. Step 5: Solve for x
    x = 15,026,910,120,206,280/109,375,429.20
  6. Step 6: Final answer
    x = 137,388,353.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.